num = 10
num2 = 20

print(f"num1 == num2")      # == 相等
print(f"num1 != num2")      # != 不相等
print(f"num1 > num2")       # > 大于
print(f"num1 < num2")       # < 小于
print(f"num1 >= num2")      # >= 大于等于
print(f"num1 <= num2")      # <= 小于等于

# 数字和字符串比较结果一定是False
print(10 == "10")